Why Choose the ABB 1SDA125105R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125105R1 is a high-performance SACE Emax 3 air circuit breaker designed for reliable protection and switching of low-voltage electrical distribution systems. This fixed four-pole circuit breaker is rated at 1600 A and incorporates an Ekip Aware LSI electronic release for dependable long-time, short-time and instantaneous protection in demanding industrial and commercial installations.
As part of the ABB Emax 3 E2.3B circuit breaker series, the unit is engineered for high-current applications where robust protection and flexible switchboard integration are required. Its fixed construction and rear-horizontal terminal configuration provide a practical solution for installation within suitable electrical distribution assemblies.
With a rated current of 1600 A, four poles and an Ekip Aware LSI electronic release, the ABB 1SDA125105R1 is suitable for high-capacity feeders, incoming supplies and other low-voltage distribution applications. The E2.3B version provides a rated short-circuit breaking capacity of 42 kA at 440 V AC and a rated short-time withstand current of 42 kA.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 1600 A rated current suitable for high-current electrical installations.
- Four-pole fixed configuration for comprehensive circuit protection and switching.
- Integrated Ekip Aware LSI electronic release with long-time, short-time and instantaneous protection functions.
- 42 kA rated short-circuit breaking capacity at 440 V AC.
- 42 kA rated short-time withstand current for robust fault withstand performance.
- Rear-horizontal terminal arrangement for practical switchboard integration.
Key Features
- ABB SACE Emax 3 E2.3B series.
- 1600 A rated current.
- Four-pole fixed construction.
- Ekip Aware LSI electronic release.
- Long-time, short-time and instantaneous protection functions.
- 42 kA rated short-circuit breaking capacity at 440 V AC.
- 42 kA rated short-time withstand current.
- Rear-horizontal terminal configuration.
- Suitable for fixed switchboard installation.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB Emax 3 E2.3B provide switching and overcurrent protection for high-capacity low-voltage electrical distribution systems. The Ekip Aware LSI electronic release combines long-time, short-time and instantaneous protection functions to help protect electrical equipment against overload and short-circuit conditions.
The Emax 3 platform is designed for demanding distribution applications where high current capacity, electronic protection and dependable switching performance are required. The fixed four-pole configuration and rear-horizontal terminals of the 1SDA125105R1 make it suitable for integration into appropriately configured switchboards and power distribution assemblies.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main switchboards and electrical distribution boards.
- High-current feeder protection.
- Incoming supply protection and switching.
- Commercial and industrial electrical installations.
- Power distribution equipment and switchgear assemblies.
